Brothers Battle

You and your brother fight those enemies who are trying to attack that island Your first attempt with the "Super Cannon" succeeded, but there are still a lot of them on the other islands. You have to get rid of them before the Greatest Unknown Event that is expected to come soon, but now you have to finish off these enemies because they are just slaves to the owners of the worst event! Otherwise, they will be a hindrance to you! But! Dont worry, you and your brother together can get this done qu...